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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | | $19,883 | | $24,347 | $30,487 | | |
| Argon | $219,089 | $103,745 | $123,632 | $312,210 | $143,374 | $522,233 | $116,487 |
| Rare gases other than argon | $34,658 | $7,120 | | $119,447 | $111,449 | | $423,849 |
| Nitrogen | $259,551 | $218,423 | $256,656 | $189,223 | $906,534 | $1,248,658 | $163,733 |
| Oxygen | $17,275 | $65,236 | $21,507 | $26,320 | $87,972 | $713,533 | $105,953 |
| Silicon, cont. by wt. not <99.99% of silicon | $184,145 | | | $734 | $2,949 | $297,001 | $3,475 |
| Silicon, cont. by wt. <99.99% of silicon | | | | $406,631 | | | |
| Total | $714,718 | $414,407 | $401,795 | $1,078,912 | $1,282,765 | $2,781,425 | $813,497 |
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